NumBuster vs T-Mobile Scam Shield
| NumBuster | T-Mobile Scam Shield | |
|---|---|---|
| Free plan | Yes | Yes |
| Free trial | No | No |
| Paid from | Free | $4/mo |
| Open source | No | No |
| Platforms | Android, iOS, Web | Android, iOS |
| Free plan | Yes | Yes |
| Caller ID | Yes | Yes |
| Community reports | Yes | — |
| Supported platforms | both | both |
| Paid from | — | 4 /mo |
| Robocall blocking | — | Yes |
Both are listed in Best Spam Call Blocking Apps. On Samsung Mobile US Press, NumBuster scores higher on our published basis.